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<?php class test { private $f; public function __construct(&$f) { $this->f = &$f; } public function __destruct() { $this->f = 1; } } $f = function () use (&$f) { $t = new test($f); print 1; }; $f(); var_dump($f);
Output for git.master, git.master_jit, rfc.property-hooks
1int(1)

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